172966055542336 has 63 divisors (see below), whose sum is σ = 399268688636667. Its totient is φ = 74127993878400.

The previous prime is 172966055542277. The next prime is 172966055542453. The reversal of 172966055542336 is 633245550669271.

It is a happy number.

The square root of 172966055542336 is 13151656.

It is a perfect power (a square), and thus also a powerful number.

172966055542336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 736375311 + ... + 736610161.

Almost surely, 2^{172966055542336} is an apocalyptic number.

172966055542336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

172966055542336 is the 13151656-th square number.

It is an amenable number.

172966055542336 is an abundant number, since it is smaller than the sum of its proper divisors (226302633094331).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172966055542336 is an frugal number, since it uses more digits than its factorization.

172966055542336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469728 (or 234860 counting only the distinct ones).

The product of its (nonzero) digits is 244944000, while the sum is 64.

172966055542336 divided by its sum of digits (64) gives a square (2702594617849 = 1643957²).

The spelling of 172966055542336 in words is "one hundred seventy-two trillion, nine hundred sixty-six billion, fifty-five million, five hundred forty-two thousand, three hundred thirty-six".